kernel/machine/hosted/Vga.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef MACHINE_HOSTED_VGA_H
#define MACHINE_HOSTED_VGA_H
#include "pedigree/kernel/machine/Vga.h"
 
#include <config.h>
 
class HostedVga : public Vga {
 public:
  HostedVga();
  virtual ~HostedVga();
 
  virtual bool setLargestTextMode();
 
  virtual size_t getNumCols() {
    return m_nWidth;
  }
 
  virtual size_t getNumRows() {
    return m_nHeight;
  }
 
  virtual void pokeBuffer(uint8_t* pBuffer, size_t nBufLen);
 
  virtual void peekBuffer(uint8_t* pBuffer, size_t nBufLen);
 
  virtual void moveCursor(size_t nX, size_t nY);
 
  bool initialise();
 
  operator uint16_t*() const {
    return m_pBackbuffer;
  }
 
 private:
  HostedVga(const HostedVga&);
  HostedVga& operator=(const HostedVga&);
 
  static void printAttrAsAnsi(uint8_t attr);
 
  static uint8_t ansiColourFixup(uint8_t colour);
 
  size_t m_nWidth;
 
  size_t m_nHeight;
 
  size_t m_CursorX;
 
  size_t m_CursorY;
 
  uint16_t* m_pBackbuffer;
};
 
#endif